| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| FIBK | Director | Jun 01, 2022 | Option Exercise | $38.07 | 1,576 | 59,998 | 4,184 | Jun 02, 2022, 04:41 PM |
| FIBK | Director | Jun 01, 2021 | Option Exercise | $47.07 | 1,168 | 54,978 | 2,608 | Jun 02, 2021, 12:59 PM |
| FIBK | Director | Jun 01, 2020 | Option Exercise | $31.25 | 1,440 | 45,000 | 1,440 | Jun 02, 2020, 01:07 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| FIBK | Director | Jun 01, 2022 | Option Exercise | 59,998 |
| FIBK | Director | Jun 01, 2021 | Option Exercise | 54,978 |
| FIBK | Director | Jun 01, 2020 | Option Exercise | 45,000 |